1. Table of Contents Chapter 21
Ecosystems
Table of Contents
Section 1 Terrestrial Biomes Section 2 Aquatic Ecosystems

2. Objectives Chapter 21 Identify the eight major biomes.
Section 1 Terrestrial Biomes
Chapter 21
Objectives
Identify the eight major biomes.
Compare tundra with taiga.
Compare the different kinds of forests.
Compare the different kinds of grasslands.
Describe the adaptations of desert organisms.

3. The Major Biomes Chapter 21
Section 1 Terrestrial Biomes
Chapter 21
The Major Biomes
The major types of terrestrial ecosystems, known as biomes, are tundra, tropical forest, temperate forest, taiga, temperate grassland, savanna, chaparral, and desert.

4. Section 1 Terrestrial Biomes
Chapter 21
Earth’s Major Biomes

5. Section 1 Terrestrial Biomes
Chapter 21
Tundra
Tundra is a cold biome characterized by permafrost under the surface of the ground.

6. Section 1 Terrestrial Biomes
Chapter 21
Tundra

7. Forests Chapter 21 Tropical Forests
Section 1 Terrestrial Biomes
Chapter 21
Forests
Tropical Forests
Tropical forests receive abundant rainfall and have stable temperatures.
They have a greater species richness than any other biome.

8. Section 1 Terrestrial Biomes
Chapter 21
Tropical Rain Forest

9. Forests, continued Chapter 21 Temperate Forests
Section 1 Terrestrial Biomes
Chapter 21
Forests, continued
Temperate Forests
Temperate forests have coniferous trees, which bear seeds in cones, or deciduous trees, which shed their leaves each year.

10. Forests, continued Chapter 21 Temperate Deciduous Forests
Section 1 Terrestrial Biomes
Chapter 21
Forests, continued
Temperate Deciduous Forests
The trees in temperate deciduous forests shed all of their leaves in the fall.